zero_dent_node_unused(9)

💫 zero_dent_node_unused(9) 💫

okay bestie, welcome to the Kernel API Manual ✨ — yes this is a real manual page and yes it's about one tiny function that does one tiny job, and honestly? iconic behavior. 🎀

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🌸 NAME 🌸

zero_dent_node_unused — zeroes out the unused fields of an on-flash directory entry node. that's it. that's the whole vibe. it takes the leftover, don't-care-about-them bytes and makes them all 0. clean slate energy, no cap. 💅

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🦋 SYNOPSIS 🦋

void zero_dent_node_unused (struct ubifs_dent_node *dent );

it returns void, meaning it gives you nothing back and doesn't owe you an explanation. main character energy fr fr. 👑

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💜 ARGUMENTS 💜

• dent — the directory entry to zero out. that's your girl. you hand her over, she gets her unused fields wiped to zero. 🫶

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⭐ SEE ALSO ⭐

like, this function does not exist in a vacuum, bestie — it's part of a whole ecosystem. the kernel file in question is ./fs/ubifs/journal.c, and here's the whole squad: 🌈

• zero_ino_node_unused(9)
• zero_trun_node_unused(9)
• reserve_space(9)
• write_head(9)
• __queue_and_wait(9)
• wait_for_reservation(9)
• wake_up_reservation(9)
• add_or_start_queue(9)
• make_reservation(9)
• release_head(9)
• finish_reservation(9)
• get_dent_type(9)
• pack_inode(9)
• mark_inode_clean(9)
• ubifs_jnl_update(9)
• ubifs_jnl_write_data(9)
• ubifs_jnl_write_inode(9)
• ubifs_jnl_delete_inode(9)
• ubifs_jnl_xrename(9)
• ubifs_jnl_rename(9)
• truncate_data_node(9)
• ubifs_jnl_truncate(9)
• ubifs_jnl_delete_xattr(9)
• ubifs_jnl_change_xattr(9)

go read them all. or don't. i'm not your mom. 😭✨

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🍓 tiny reminder: this page belongs to ./fs/ubifs, dated October 2026, and yes it is filed under Kernel API Manual — that's the whole paperwork situation, bestie. 💖

and that's the page!! mwah 💋 go zero those fields, you got this 🧚‍♀️🌸💜